.Item{
    background-color: #f9f9f9;
    width: 100%;
    height: 100%;
}
.item{
    height: calc(100vh - 90px);
    .item-body{
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        height: 100%;
        ._body-menu{
            width: 17vw;
        }
        ._body-cnt{
            width: 83vw;
            background: #F9F9F9;
        }
    }
}